[OJFord]

Heathrow Express is a sucker/tourist trap, especially post Elizabeth line. But even without I used to get (still sometimes might depending) the Piccadilly line every time.

With luggage even yes, before someone says that, and never any shortage of others doing the same. The carriages have a dedicated area for bags with signs asking to give priority to that (like for wheelchairs/pushchairs on other lines).